Various tutorials

If there is an issue with SSH on your VPS, this guide will provide basic steps to investigate SSH connection issue. VPS Password Is Not Correct If you cannot connect to your VPS with your current VPS password, or you forgot it, you can connect to our client area and reset your VPS root password. Here is a guide how to do it. Unresponsive SSH Connection If your SSH connection attempts are timing out or are being immediately rejected, then your SSH service might not be running, or your firewall might block SSH connections. So you can connect to your VPS via Emergency Console. How To Check SSH Status? To check your SSH service status, you need…

This tutorial explains how to manually install DirectAdmin with a license on a Linux server from the command line(SSH). Requirements * DirectAdmin license * One of the following OS templates installed: CentOS 7, CentOS 8, Debian 8, Debian 9, Debian 10, Debian 11 Installation DirectAdmin installation is very simply you simply, here are the basic steps: Connect to your Linux server via SSH; Enter the following installation command: bash <(curl -Ss https://www.directadmin.com/setup.sh || wget -O - https://www.directadmin.com/setup.sh) Once the command is executed, a download will start, shortly after you will be prompted to …

All Storage Servers is activated with a pre-installed special OS template - "Filer (CentOS 7, Rsync, FTP, Samba) (64-bit)". Take a note, that default folder for data storage in the Storage Server is /home/storage. "Filer" OS template have pre-installed services and tools like: • Rsync tool • FTP (vsFTPd) service • Samba (smbclient, smbd) service 1. Rsync usage 1.1. You can securely sync data between the target server and the Storage Server by using SSH keys. Instructions on how to do that: a. Generate SSH key on the target server (not the Storage Server!): ssh-keygen -f ~/.ssh/id_rsa -q -P "" b. Copy created SSH key to the Storage Server from the…

PostgreSQL (Postgres) is an open-source general-purpose object-relational database management system with numerous advanced capabilities that allows you to build fault-tolerant systems or complex applications. In this tutorial, you will see how you can install PostgreSQL on Ubuntu 20.04. Connect to your server and run system updates: sudo apt update After that, install the Postgres package together with a -contrib package that adds some additional utilities and functionality: sudo apt install postgresql postgresql-contrib Then make sure that the service is running: sudo systemctl start postgresql.service PostgreSQL us…

Follow these steps to install CyberPanel on Ubuntu or Enterprise-based distros. Log into SSH. Run the CyberPanel installation script: sh <(curl https://cyberpanel.net/install.sh || wget -O - https://cyberpanel.net/install.sh) Type “1” and Enter to confirm installation. Choose “1” to install CyberPanel with OpenLiteSpeed. Remember, you’ll need a LiteSpeed Enterprise license for the Enterprise version. Choose “Y” to install “full service for CyberPanel” – PowerDNS server, Postfix mail transfer agent (MTA), and Pure-FTPd server. Choose “N” to skip remote MySQL setup and continue with local MySQL server setup. …

This article explains how to check if your server is facing an attack and how to manage it. The steps below are the suggestions that you can use to check your server and see if it could be under some sort of attack. One of the first things you could do in case you feel the server/website and its tasks are running slowly is to simply check your server load, it could be done with the following commands: If you are not sure or you don't know, you can find out the number of processors using these commands: grep processor /proc/cpuinfo | wc -l nproc These commands will show just a number of your processors on the server. For example 1, 2, 4 and etc …

We can easily manage Exim via command line. We can easily remove mailqueues, If any particular user sending large number of emails we can easily find that account and remove it. All sent mails is registered in directory /var/spool/exim/msglog and all records have their own ID number which is the same as message ID. In directory /var/spool/exim/input all records are marked after their ID with mark -H (header) and -D (content of message). For every sent message Exim creates 3 files. We wil be working with mentioned directories. 1. To get counted message in the queue: exim -bpc 2. Print a listing of the messages in the queue (time queued, size, message-id, send…